Patents by Inventor Mark R. Rycheck

Mark R. Rycheck has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Purification of monoolefin-containing hydrocarbon stream
    Patent number: 4188501
    Abstract: Purity of hydrocarbon streams is increased by contacting with stable oxides of calcium, titanium, zinc, or zirconium prior to passage to a catalytic conversion process. In one embodiment, the stable metal oxides are preactivated by heating with vaporous hydrocarbon at an elevated temperature which is effective in extending the temperature at which metal oxides are subsequently effective for purification of hydrocarbon streams.
    Type: Grant
    Filed: August 25, 1978
    Date of Patent: February 12, 1980
    Assignee: Phillips Petroleum Company
    Inventors: Mark R. Rycheck, Filippo Pennella
  • Catalytic hydrogenation
    Patent number: 4101592
    Abstract: Monoolefins are hydrogenated in the presence of a catalyst comprising at least one carbide, nitride, or silicide of a Group VIII, Group VIB, or Group VIIB metal.
    Type: Grant
    Filed: February 4, 1977
    Date of Patent: July 18, 1978
    Assignee: Phillips Petroleum Company
    Inventors: Mark R. Rycheck, Filippo Pennella